GENERAL
30 - 7
30
Braking system diagnostic
Rigid pedal: when braking, an
increased effort for a small decel-
eration is performed
Yes
Replace: shaft, pedal or
servobrake fork.
Yes
Yes
Yes
No
No
No
No
Replace the servobrake
(broken membrane)
Replace the servobrake
(broken membrane)
Check:
- the integrity of the depression
pipe, consequently of the retain-
ing valve;
- the sealing of the depression pipe
at the servobrake, consequently at
the vacuum pump (inlet manifold).
Is the engine
regime changing
when braking ?
The engine pedal
is rigid from time
to time ?
1
Is the connection
shaft between the
servobrake fork
and the pedal,
grabed?
At the servobrake
entrance is the
depression the
imposed one ?
I. FAILURE : RIGID PEDAL